make suggested modifications

Author: HTGAzureX1212

compiler/rustc_lint/messages.ftl

@@ -242,7 +242,7 @@ lint_identifier_non_ascii_char = identifier contains non-ASCII characters
 
 lint_identifier_uncommon_codepoints = identifier contains {$codepoints_len ->
     [one] { $identifier_type ->
-        [Exclusion] a Unicode codepoint that its corresponding script is no longer used
+        [Exclusion] a Unicode codepoint whose corresponding script is no longer used
         [Technical] a Unicode codepoint that has specialized usage
         [Limited_Use] a Unicode codepoint that is in limited use
         [Not_NFKC] a Unicode codepoint that is not used in normalized strings

compiler/rustc_lint/src/non_ascii_idents.rs

@@ -221,14 +221,12 @@ impl EarlyLintPass for NonAsciiIdents {
                     .extract_if(|(c, _)| !GeneralSecurityProfile::identifier_allowed(*c))
                     .collect::<Vec<_>>();
                 if !remaining.is_empty() {
-                    let remaining_len = remaining.len();
-
                     cx.emit_span_lint(
                         UNCOMMON_CODEPOINTS,
                         sp,
                         IdentifierUncommonCodepoints {
-                            codepoints: remaining.iter().map(|(c, _)| *c).collect(),
-                            codepoints_len: remaining_len,
+                            codepoints_len: remaining.len(),
+                            codepoints: remaining.into_iter().map(|(c, _)| c).collect(),
                             identifier_type: "Restricted",
                         },
                     );